We have seasons because the earth is tilted as it makes its way around the sun. So its always pointed in one way at the sun, causing different asmophere as we go around the sun. 
 
        
                    
             
        
        
        
Scientists estimate that 150-200 species<span> of plant, insect, bird and mammal </span>become extinct<span> every 24 hours.</span>
        
                    
             
        
        
        
Answer:
carbon based molecules + oxygen = water + carbon dioxide 
mark as brainliest 
 
        
             
        
        
        
Answer:
A. Air
Explanation:
Abiotic factors are things that are not living.
Air can be found in a rain forest ecosystem, as it can be found in all ecosystems, but it is not living.
On the other hand, algae, flowers, and animals are biotic instead of abiotic because they are living things.
So, A is the correct answer.
 
        
             
        
        
        
Bedford a cell divides, it makes a copy of its genes during interphase